河流水文

结果表明，西安城市降水序列和主要河流水文序列存在多时间尺度周期；

As a result , it expresses that the city of Xi'an declines sequence of water and the existence many time dimensions periods of the main river hydrology sequences .

以生态恢复理论为基础，提出针对渭河河床物理结构、河流水文、河道污染、水生态、滨河景观5个方面具体的生态修复措施。

Based on the ecological restoration theory , this paper puts forward the specific ecological restoration measures on the aspects of Weihe River bed physical structure , River hydrology , river pollution , water ecological and riparian landscape .

三峡水库135m蓄水后，库区内的大小河流水文情况发生了根本的转变。

After the 135-m water storage , drastic changes have been made to hydrological situation of every branch river in the Reservoirs Area .

城市河流水文过程变化的对比分析

Comparison on the Procedure Variety of City River ′ s Hydrology Sequences

近数十年湘江流域河流水文变化规律

The laws of hydrologic variation in the Xiangjiang River Valley

山区河流水文特性初步研究

A Preliminary Study on the Hydrologic Properties of Mountain Rivers

新疆内陆河流水文干旱特征浅析

An Analysis of Characteristics of Hydrologic Droughts in Inland Rivers in Xin jiang

国际河流水文站网布局规划方法研究

A Study on Planning Methods for Hydrological Network in International River Basins of China

中国西南地区河流水文特性

Hydrological features of rivers in Southwest China

柴达木盆地河流水文特性

Hydrological characteristics of streams in Qaidam Basin

长江河源地区河流水文特性分析

Analysis of hydrological charateristics of the rivers in the Riverhead Area of the Yangtze River

凌汛是冬季冰冻地区特有的河流水文现象。

The melting ice flood is peculiar hydrological phenomena in the river in the winter freeze area .

江西省中小河流水文站设站年限研究

Study of the service life of the hydrology stations of the middle or small rivers in Jiangxi Province

由于人类对河流水文状态的过度干扰，原有的自然水生态系统逐步退化。

Owing to the excessive disturbance of human being to river hydrological conditions , the intrinsic natural water-ecosystem has degraded gradually .

在此基础上，着重分析了地下水的赋水程度、埋藏条件和水质特征，并按水系流域分区，采用河流水文图分割方法，并对地下水资源进行了评价。

In addition , the groundwater resources are evaluated by means of a river hydrologic chart dividing method according to the water system and its area division .

依据干旱地区河流水文、水力特性，合理简化对流扩散方程，给出瞬时突然排污条件下的动态解析解。

This paper bases on hydrology and hydraulic characteristics to simplify convection disperse functions reasonably and gives a dynamic analytic solutions under instantaneous suddenly draining sewage conditions .

通过区域地质地貌及河流水文资料的分析，确立了它们之间的内在联系，并对人们关心的河流产沙问题进行分析。

On the basis of analysis of the local geology , geomorphology and hydrology , the paper established their inner relationship and analysed the sediment yield mattering of interest to people .

河床沉积物是河流水文、泥沙等因素相互作用的结果，是河道在一定水沙和动力条件下堆积的产物。

Bed sediment is the result of interaction of factors such as hydrology and sediment in the river , it is product of accumulation in a certain discharge and sediment and dynamic .

分析了筑坝对河流水文水力特性、生源要素（氮、磷、硅等）、水生态系统结构和功能的影响以及河流生态系统恢复等研究的进展。

The detail effect of the dams are reviewed on the hydrological and hydrodynamic characteristics , the nutrients transportation , the structure and functions of the river ecosystem , and the corresponding measures for the ecological restoration .

自然原因表现在气候、地貌、地表覆被状况、河流水文等方面，社会原因则主要表现为流民涌入改变了清代安康地区的人口增长与分布状况，垦殖政策的实施产生了各种环境效应。

The natural factors were climate , landform , surface covering , and rivers hydrology condition etc * And the social factors were the activity of " Refugee " including the population growth and the distribution condition and the reclamation policy .

本文根据山东省河流水文、水质特征，建立了符合当地实际的水环境容量数学模型，确定了模型参数的设计方法；

According to the hydrology and the water quality characteristic of the rivers in Shandong Province , the water environmental capacity mathematical models suiting the local situation have been established in this paper , and the design methods of the model parameters have been derived .

平原水田地区河流桥涵水文计算及桥长设计的探讨

Hydrological Calculation of River and Bridge & Culvert and Discuss of Bridge Length Design

中国河流生态水文分区初探

Eco-hydrological regionalization of river system in China

黄河是世界上含沙量最大的河流、水文情势和水环境较独特。

The Yellow River is the largest river in the world on the sediment concentration , the hydrological regime and water environment is unique .

各影响因子的重要性排序为：河流的水文特征污染状况河床的物理结构水生态滨河景观。

Affecting Factors in order of importance : the hydrological characteristics of the river Contamination status the physical structure of the riverbed aquatic ecosystems riparian landscape .

十五攻关中基于流域水循环的生态效应，从基础、应用和决策三个层面入手，系统的建立了我国生态用水研究的理论体系，提出了河流生态水文季节以及生态标准河流的概念。

The theory system has been set up based on the effect of ecology system during the water cycle , and started with basis , application , and decision levels .

在综合分析相关研究进展的基础上，界定了河流生态水文分区的内涵。

Based on the advance of synthetically analysis in ecological regionalization , hydrological regionalization and eco - hydrological regionalization , the concept of eco - hydrological regionalization of river system is defined .

根据河流的水文特性和枢纽工程建设的需要，科学、合理地选择导流工程标准和型式，对工程的顺利建设往往起着控制性的作用。

According to the hydrological features of the river and the requirements of project construction , the diversion structure standard and type shall be scientifically chosen , which play the role of controling to the successful construction of the project .

大型水工程建设将显著改变河流的水文情势及年内运行分配，引起环境与生态系统结构、功能的变化，其建设也将引起河口邻近海域环境及生物群落结构和分布格局的变化。

Large hydro projects cause the change of the hydrological pattern of rivers and the structure and function of the environment and ecological system of the river basin . They also affect the distribution of biological species at the Yangtze River Estuary and in near seas .

并以珠江流域某河流的长期水文预测报为实例。

In this paper the hydrologic forecasting of a certain river in the Pearl River Basin has been taken as an example .